#!/bin/sh
# 0 lines of context
. "${srcdir=.}/init.sh"; path_prepend_ ../src

cat <<EOF > in || framework_failure_
needle
1st line of context
2nd line of context
3rd line of context
another needle
5th line of context relative to first match
6th line...
EOF

cat <<EOF > exp || framework_failure_
needle
--
another needle
EOF

fail=0
grep -C 0 needle in > out 2>err || fail=1

compare exp out || fail=1
compare /dev/null err || fail=1

Exit $fail